No need to shout.
You can theme it via css perfectly fine.
If you want to change the markup of the module then you need to backup your changes because you will lose your changes when you update.
the file is modules/mod_k2_content/helper.php and the categories functionality is located in the " public static function treerecurse(&$params, $id = 0, $level = 0, $begin = false) |fucntion
JoomlaWorks Support Team
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Please search the forum before posting a new topic :)